R=hinoka@chromium.org,maruel@chromium.org
BUG=254817

Review URL: https://chromiumcodereview.appspot.com/17992005

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@209037 0039d316-1c4b-4281-b951-d872f2087c98